Search results
Results from the Health.Zone Content Network
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
The Storm Prediction Center issues daily outlooks denoting the risk for severe weather and wildfires for specific regions in the United States. For severe weather, which includes the risk for thunderstorms, tornadoes, hail, and straight-line winds, there are five risk levels indicating the probability for these hazards: marginal, slight, enhanced, moderate, and high.
The Storm Prediction Center issues convective outlooks (AC), consisting of categorical and probabilistic forecasts describing the general threat of severe convective storms over the contiguous United States for the next six to 192 hours (Day 1 through Day 8). These outlooks are labeled and issued by day, and are issued up to five times per day.
The moderate risk zone is the second highest risk zone in the NWS’ severe weather outlook. A tornado watch has been issued for Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden ...
The most likely types of severe weather are damaging wind gusts (some reaching 75 mph or more) and large hail that could be 2 inches in diameter. Forecasters at the National Weather Service said ...
In a comment on a Facebook post , the NWS said this afternoon's storms are "expected to be very dangerous". Thunderstorms will likely start in west Iowa around 2 p.m., making their way to Des ...
The categorical forecast in the Day 1-3 Convective Outlooks—which estimates a severe weather event occurring within 25 miles (40 km) of a point and derives the attendant risk areas from probability forecasts of tornadoes, damaging winds, and large hail on Days 1 and 2, and a combined severe weather risk on Day 3—specifies the level of ...
NOAA. Severe thunderstorms are forecast to roll through the Midwest and the upper Great Lakes on Tuesday, bringing possible tornadoes, damaging winds and large hail. As many as 51 million people ...